(19)

(11)

EP 2 915 259 A1

(12)

(43) Date of publication: 09.09.2015 Bulletin 2015/37 (21) Application number: 12788476.5 (22) Date of filing: 31.10.2012

(51) International Patent Classification (IPC):  H04B 1/30(2006.01) H04B 15/06(2006.01) (86) International application number: PCT/EP2012/071576 (87) International publication number: WO 2014/067571 (08.05.2014 Gazette 2014/19)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Telefonaktiebolaget L M Ericsson (PUBL) 164 83 Stockholm (SE)	(72) Inventor: NILSSON, Göran S-422 56 Hisings Backa (SE) (74) Representative: Vejgaard, Christian  Ericsson AB Patent Unit GL Lindholmspiren 11 417 56 Göteborg 417 56 Göteborg (SE)